Find the general solution of the given higher-order differential equation. d3u dt3 + d2u dt2 − 2u = 0

According to the roots of the characteristic equation, the solution is given by:

In which A, B and C are constants related to the initial conditions.

The differential equation is:

The characteristic equation is:

It's roots are:

Thus, the solution is:

In which A, B and C are constants related to the initial conditions.

A similar problem is given at link

This ODE has characteristic equation

which has roots at . Then the characteristic solution to the ODE is

it is b)

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step-by-step explanation:

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step-by-step explanation: vsfdvsfvd